NWIT Final Part 4

Distributed data processing involves large databases being centrally processed by powerful mainframe computers and stored in giant disk arrays.

• TRUE

• FALSE

What are three features of Hadoop? (Choose three.)

• automatic replication of data across clusters

• requires proprietary software

• easily scalable cluster sizes

• uses HDFS as a fault tolerant file system

What is cloud computing?

• a process that turns raw data into meaningful information using patterns and relationships in data sets

• a system of data centers or connected servers that provide anywhere/anytime access to data and applications

• a comprehensive ecosystem of open-source software for big data management

• an architecture that utilizes edge devices for data preprocessing and storage

Data is defined as big data if it is more than 1 petabyte.

• FALSE

• TRUE

A business is analyzing sales information as the sales data is being generated from the point-of-sale (POS) machines. What type of data is captured and processed as the events happen?

• Transactional Data

• Raw Data

• analytical data

• saved data

Which type of data can be used by a business to support managerial analysis tasks and organizational decision making?

• Saved Data

• analyzed data

• transactional data

• Raw Data

What type of data is being collected when an organization is using spreadsheets and forms for data input?

• application data

• Raw Data

• unstructured data

• structured data

Web scraping tools are used to extract and manipulate structured data.

• TRUE

• FALSE

What is the process of discovering patterns and relationships in large data sets in order to convert raw data into meaningful information?

• data mining

• data querying

• data formatting

• data selection

The temperature and lighting in your home or business is adjusted based on your daily routine.

• Automation

• Not Automation